A bus driver finds the owner of an invoice of 1 million through the developer.

　　Zhou Kai, a bus driver of No.188 bus, team seven of No. 3 bus company found a 10-year-old invoice and contract worth of 1.8 million odd on his bus at 3:00 p.m., January 9th when he had a routine inspection of the bus. He connects the developers through difficulties and found the owner the next day.